Barbecue grill



FIG. 1 is a front, top and right side perspective view of a barbecue grill embodying our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereofl; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a barbecue grill, as shown. 